References
- Couto S.R., Guerson Y.B., Ferreira J.E., Silva O.R., Silenciato L.N., Barbero R.P., Mello M.R.: Impact of supplementation with long-acting progesterone on gestational loss in Nelore females submitted to TAI. Theriogenology 2019, 125, 168–172.
- Fricke P.: Scanning the future – Ultrasonography as a reproductive management tool for dairy cattle. J Dairy Sci 2002, 85, 1918–1926.
- Ghaidan M., Dana O., Dyary H.: Accuracy of bovine pregnancy-associated glycoproteins (bPAGs) in the diagnosis of pregnancy: a comparative study of three pregnancy diagnostic methods. Pol J Vet Sci 2019, 22, 769–775.
- Inaudi P., Bacigalupo M., Monittola C., Lugaro G., Genazzani A.: Pregnancy diagnosis in cattle by a rapid and highly reliable method for progesterone determination in milk. Reproduction 1982, 65, 265–273.
- Jaimes L., Vinet R., Knox M., Morales B., Benites J., Laurido C., Martínez J.L.: A review of the actions of endogenous and exogenous vasoactive substances during the estrous cycle and pregnancy in rats. Animals 2019, 9, 288.
- Juodžentytė R., Žilaitis V.: Practical evaluation pregnancy of heifers by punyakoti test. Vet Zootech-Lith 2016, 74, 14–17.
- Karen A.M., Darwish S., Ramoun A., Tawfeek K., Van Hanh N., de Sousa N.M., Sulon J., Szenci O., Beckers J.-F.: Accuracy of transrectal palpation for early pregnancy diagnosis in Egyptian buffaloes. Trop Anim Health Prod 2011, 43, 5–7.
- Kubátová A., Fedorova T., Skálová I., Hyniová L.: Non-invasive pregnancy diagnosis from urine by the Cuboni reaction and the barium chloride test in donkeys Equus asinus and alpacas Vicugna pacos Pol J Vet Sci 2016, 19, 477–484.
- Laing J., Heap R.: The concentration of progesterone in the milk of cows during the reproductive cycle. Br Vet J 1971, 127, 14–22.
- Lewis G.: Role of ovarian progesterone and potential role of prostaglandin F2α and prostaglandin E2 in modulating the uterine response to infectious bacteria in postpartum ewes. J Anim Sci 2003, 81, 285–293.
- Lucy M.: Reproductive loss in high-producing dairy cattle: where will it end? J Dairy Sci 2001, 84, 1277–1293.
- Mann G., Lamming G.: The influence of progesterone during early pregnancy in cattle. Reprod Domest Anim 1999, 34, 269–274.
- Moussafir Z., Allai L., El Khalil K., Essamadi A., El Amiri B.: Could a bovine pregnancy rapid test be an alternative to a commercial pregnancy-associated glycoprotein ELISA test in dairy cattle? Anim Reprod Sci 2018, 192, 78–83.
- Nebel R., Whittier W., Cassell B., Britt J.: Comparison of on-farm and laboratory milk progesterone assays for identifying errors in detection of estrus and diagnosis of pregnancy. J Dairy Sci 1987, 70, 1471–1476.
- Pennington J., Schultz L., Hoffman W.: Comparison of pregnancy diagnosis by milk progesterone on day 21 and day 24 postbreeding: Field study in dairy cattle. J Dairy Sci 1985, 68, 2740–2745.
- Rao S., Veena T.: Comparison of seed germination test with urine barium chloride test and milk copper sulphate test for efficacy to detect pregnancy in cows. Indian J Anim Res 2009, 43, 124–126.
- Reese S., Pereira M., Vasconcelos J., Smith M., Green J., Geary T., Peres R., Perry G., Pohler K.: Markers of pregnancy: how early can we detect pregnancies in cattle using pregnancy-associated glycoproteins (PAGs) and microRNAs? Anim Reprod 2018, 13, 200–208.
- Romano J.E., Bryan K., Ramos R.S., Velez J., Pinedo P.: Effect of early pregnancy diagnosis by per rectum amniotic sac palpation on pregnancy loss, calving rates, and abnormalities in newborn dairy calves. Theriogenology 2016, 85, 419–427.
- Samsonova J.V., Osipov A.P., Kondakov S.E.: A new dried milk sampling technique and its application for progesterone detection in cows. Vet J 2014, 199, 471–472.
- Schanzenbach C.I., Kirchner B., Ulbrich S.E., Pfaffl M.W.: Can milk cell or skim milk miRNAs be used as biomarkers for early pregnancy detection in cattle? PloS One 2017, 12, e0172220, doi: 10,1371/journal.pone.0172220.
- Schiffer L., Barnard L., Baranowski E.S., Gilligan L.C., Taylor A.E., Arlt W., Shackleton C.H., Storbeck K.-H.: Human steroid biosynthesis, metabolism and excretion are differentially reflected by serum and urine steroid metabolomes: a comprehensive review. J Steroid Biochem Mol Biol 2019, 194, 105439, doi: 10.1016/j.jsbmb.2019.105439.
- Silva E., Sterry R., Kolb D., Mathialagan N., McGrath M., Ballam J., Fricke P.: Accuracy of a pregnancy-associated glycoprotein ELISA to determine pregnancy status of lactating dairy cows twenty-seven days after timed artificial insemination. J Dairy Sci 2007, 90, 4612–4622.
- Vasconcelos J.L.M., Sangsritavong S., Tsai S.-J., Wiltbank M.: Acute reduction in serum progesterone concentrations after feed intake in dairy cows. Theriogenology 2003, 60, 795–807.
- Yamada O., Abe M., Takehana K., Iwasa K., Hiraga T., Hiratsuka T.: Microvascular changes in the bovine corpus luteum during pregnancy. J Vet Med Sci 1995, 57, 75–79.
- Žvorc Z., Matijatko V., Beer B., Foršek J., Bedrica L., Kučer N.: Blood serum proteinograms in pregnant and non-pregnant cows. Vet Arhiv 2000, 70, 21–30.